English verb conjugation
MUST CHEER

Regular verb: cheer - cheered - cheered

Affirmation

Simple form	V-ing form
I must cheer you must cheer he must cheer we must cheer you must cheer they must cheer	I must be cheering you must be cheering he must be cheering we must be cheering you must be cheering they must be cheering
Perfect	V-ing perfect
I must have cheered you must have cheered he must have cheered we must have cheered you must have cheered they must have cheered	I must have been cheering you must have been cheering he must have been cheering we must have been cheering you must have been cheering they must have been cheering

Negation

Simple form	V-ing form
I must not cheer you must not cheer he must not cheer we must not cheer you must not cheer they must not cheer	I must not be cheering you must not be cheering he must not be cheering we must not be cheering you must not be cheering they must not be cheering
Perfect	V-ing perfect
I must not have cheered you must not have cheered he must not have cheered we must not have cheered you must not have cheered they must not have cheered	I must not have been cheering you must not have been cheering he must not have been cheering we must not have been cheering you must not have been cheering they must not have been cheering

Interrogative form

Simple form	V-ing form
must I cheer? must you cheer? must he cheer? must we cheer? must you cheer? must they cheer?	must I be cheering? must you be cheering? must he be cheering? must we be cheering? must you be cheering? must they be cheering?
Perfect	V-ing perfect
must I have cheered? must you have cheered? must he have cheered? must we have cheered? must you have cheered? must they have cheered?	must I have been cheering? must you have been cheering? must he have been cheering? must we have been cheering? must you have been cheering? must they have been cheering?

Interro-negative form

Simple form	V-ing form
must I not cheer? must you not cheer? must he not cheer? must we not cheer? must you not cheer? must they not cheer?	must I not be cheering? must you not be cheering? must he not be cheering? must we not be cheering? must you not be cheering? must they not be cheering?
Perfect	V-ing perfect
must I not have cheered? must you not have cheered? must he not have cheered? must we not have cheered? must you not have cheered? must they not have cheered?	must I not have been cheering? must you not have been cheering? must he not have been cheering? must we not have been cheering? must you not have been cheering? must they not have been cheering?